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INTERNSHIP AT INTERNSHIP AT Bharat Sanchar Nigam Limited 2015Bharat Sanchar Nigam Limited 2015
Submitted byNayana.S(1RE14LDN10)
Mtech (DCN),RITM
Mr.Manjunath Matada(External Guide)
SDE,Sahakarnagar RSU,Bangalore
Mr. Ravi Shankar D(internal guide)
Assistant professor,Reva University
REVA INSTITUTE OF TECHNOLOGY AND MA
NAGEMENT
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OVERVIEW OF INTERNSHIP
1. INTRODUCTION
2. EXSITING SYSTEM
3.PRACTICAL EXPOSURE OPTICAL FIBER AND TYPES SPLICING OTDR(OPTICAL TIME DOMAIN REFRACTOMETER) FIBER TO THE HOME
4. SOFTWARES(CLARITY SOFTWARE)
5. SCRIBBLE MAP AND LAT-LONG MEASUREMENT
6. IMPACT OF INTERNSHIP.
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Introduction
• Bharat Sanchar Nigam Limited was established in October 2000 and
its headquarters are in Delhi.
• It is fourth largest department of Tele Communication Company in
Asia and tenth in world today. Which is one of the most earning
revenue in India. Above more than 3 laces employees, officer and
engineers working in BSNL at present.
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Introduction...
It provides comprehensive range of telecom services in India: Wire
line, CDMA mobile, GSM Mobile, Internet, Broadband.
BSNL cellular service, Cell One,
• 90.09 million cellular customers
• 5.06 million WLL customers,
• 24.58 million Basic Phone subscribers i.e. 71.93 per cent share
of the subscriber base.
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EXISTING SYSTEM
The transmission system consists of
1.Switching Equipment
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2. Main Distribution Frame
Construction of MDF is• Verticle side or line side
• Horizontal side or LEN side or exchange side
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3.Switch Room
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4.Power Plant
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4.Battery Room
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Practical Exposure1.Optical FiberTypes:
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Color codes
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SPLICING
Cutter that is used prior to splicing
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Splicing types1.Mechanical Splicing
2.Fusion Splicing
3.Chemical Splicing
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1.Mechanical splicing
Capillary Splicing
Elastomeric Splicing
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Mechanical splicing...
Rotary Splicing
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2.Fusion Splicing
Fusion splicing two fibers involves several steps. End preparation are Striping (cable jacket, buffer tube & coating), Cleaving, Cleaning the end surface.
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FTTH(Fiber to the home)
• It is the form of fiber optic communication network in which optical signal reaches upto the end user’s office.
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FTTH...
• Direct fiber:Here each fiber leaving the central office goes to exactly one customer .i.e. point to point topology. Provides excellent bandwidth because each customer have their own dedicated fiber.
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2.SHARED FIBERIn this architecture, each fiber leaving the central
office is actually shared by many customers. There are two leading optical distribution networks with which we can achieve this split.
1.Active optical network (AONs)2.Passive optical network (PONs)
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1.AON Architecture:
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PON architecture:
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OTDR
Based on Reyleigh scattering
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OTDR principle
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Software Packages of BSNL
• SSANeT • Dotsoft• GPMS (Group Performance Management Syst
em)• CLARITY• CRM(Customer Relationship Management )• PGMS(Performance Grievance Management
System) and many..
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Software's used IN BSNL FOR MAINTANANCE
• CRM(Customer Relationship Management )• PGMS(Performance Grievance Management
System)• DOTSOFT
• Clarity and many..
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Purpose of Clarity
• Manage Network and Number Inventory
• Automate service procedures, inventory management and reduce turnaround time for service requests
• Allocate appropriate work force based on the
activity to be performed for various tasks during service provisioning/ deprovisioning.
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Steps involved
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Tasks involved
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Task completed
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SCRIBBLE MAP AND LAT LONG MEASUREMENTSAHAKAR NAGAR EXCHANGE
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Scribble maps...
•This is a feature that has got requests for and that is the
ability to create a map widget where regions can link ou
t to different websites/pages. So we are excited to anno
unce you can now do this in Scribble Maps!Creating a
clickable map is as simple as clicking the pencil (edit) i
n the layer panel for the overlay.
Lat-Long Measurement:
•For finding the position of the optical fiber laid.
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Lat-Long measured
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IMPACT OF INTERNSHIP
• COMPANY EXPOSURE
• REAL TIME WORK EXPOSURE
• EXPOSURE TO SPLICING TECHNOLOGY AND CLARITY SOFTWARE.
• TEAM WORK.
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References[1]Web site: http://www.bsnl.co.in
[2]Tutorial/workshop: Tutorial/Workshop organized by BSNL Industrial training center at jayanagar on Octo
ber 28,2015
[3] Digital Transmission System(DTS) EETP/BSNL Silver Certification Course/Ver. 02/June’2014
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Thank You